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WIRING GUIDE – WATER (NWHSRG)
Directions:
Step 1: Select the PCN number below which matches the PCN number on your heater.
Step 2: Choose your kW, Volts, phase, and number of circuits under your PCN number (you must know the kW and watt density
(watts/sq. in.) needs for your application).
Step 3: Note the Wiring diagram # for your selection.
Step 4: Go to Wiring Diagram sheet. Peel off the diagram that matches the # in step 3. Stick this to the inside of your electrical enclosure.**
Step 5: Peel off corresponding Volts, circuit-phase, and kW info from the Wiring Diagram sheet and stick to the designated spot on the
nameplate. (These labels will cover the maximum rating stamped on the nameplate.)
Step 6: Wire Heater according to the sticker on the inside of your electrical enclosure (from step 4).
Water Applications
Approx. Watts
Wiring
Watts-Volts Circuit-Phase (amps) /Sq. In. Diag. #
PCN 100010 (054-304745-001)
PCN 100327 (054-304745-301)
4.5kW - 120V 1-1Ph (38 amps) 15 #7
9.0kW - 240V 1-1Ph (38 amps) 59 #13*
9.0kW - 240V 1-3Ph (22 amps) 59 #11*
18kW - 240V 2-1Ph (2 x 38 amps) 59 #8
18kW - 240V 1-3Ph (44 amps) 59 #1
18kW - 240V 2-3Ph (2 x 22 amps) 59 #2
PCN 100028 (054-304745-002)
PCN 100343 (054-304745-302)
1.5kW - 480V 1-3Ph (4 amps) 5 #6
2.5kW - 240V 1-1Ph (11 amps) 15 #13*
2.5kW - 240V 1-3Ph (6 amps) 15 #11*
4.5kW - 240V 1-1Ph (19 amps) 15 #7
4.5kW - 240V 2-1Ph (2 x 10 amps) 15 #8
4.5kW - 240V 1-3Ph (11 amps) 15 #1
4.5kW - 240V 2-3Ph (2 x 6 amps) 15 #2
4.5kW - 480V 1-1Ph (10 amps) 15 #10
4.5kW - 480V 1-3Ph (6 amps) 15 #3
9.0kW - 480V 1-1Ph (19 amps) 59 #13*
9.0kW - 480V 1-3Ph (11 amps) 59 #11*
18kW - 480V 1-1Ph (38 amps) 59 #7
18kW - 480V 2-1Ph (2 x 19 amps) 59 #8
18kW - 480V 1-3Ph (22 amps) 59 #1
18kW - 480V 2-3Ph (2 x 11 amps) 59 #2
PCN 100036 (054-304745-003)
PCN 100351 (054-304745-303)
5.0kW - 120V 1-1Ph (42 amps) 11 #7
5.0kW - 208V 1-3Ph (14 amps) 11 #4
5.0kW - 240V 1-1Ph (21 amps) 11 #10
5.0kW - 240V 1-3Ph (13 amps) 11 #3
20kW - 240V 2-1Ph (2 x 42 amps) 80 #8
20kW - 240V 2-3Ph (2 x 25 amps) 80 #2
PCN 100044 (054-304745-004)
PCN 100360 (054-304745-404)
3.0kW - 120V 1-1Ph (25 amps) 20 #13*
3.0kW - 208V 1-3Ph (9 amps) 20 #12*
6.0kW - 120V 1-1Ph (2 x 25 amps) 20 #8
6.0kW - 208V 1-3Ph (17 amps) 20 #4
6.0kW - 208V 2-3Ph (2 x 9 amps) 20 #5
12kW - 240V 1-3Ph (29 amps) 78 #11*
24kW - 240V 3-1Ph (3 x 34 amps) 78 #9
24kW - 240V 2-3Ph (2 x 29 amps) 78 #2
* Half of the heating elements are used
** For E2, affix to sheet metal on outside of enclosure
Water Applications
Approx. Watts
Wiring
Watts-Volts Circuit-Phase (amps) /Sq. In. Diag. #
PCN 100079 (054-304745-005)
PCN 100378 (054-304745-305)
.5kW - 240V 1-3Ph (1.3 amps) 2 #6
.75kW - 120V 1-1Ph (7 amps) 5 #13*
.75kW - 208V 1-3Ph (2.1 amps) 5 #12*
1.5kW - 120V 1-1Ph (13 amps) 5 #7
1.5kW - 120V 2-1Ph (2 x 7 amps) 5 #8
1.5kW - 208V 1-3Ph (4.2 amps) 5 #4
1.5kW - 240V 1-1Ph (7 amps) 5 #10
1.5kW - 240V 1-3Ph (3.7 amps) 5 #3
2.25kW - 208V 1-1Ph (11 amps) 15 #13*
2.25kW - 208V 1-3Ph (7 amps) 15 #11*
3.0kW - 240V 1-1Ph (13 amps) 20 #13*
3.0kW - 240V 1-3Ph (8 amps) 20 #11*
4.5kW - 208V 1-1Ph (22 amps) 15 #7
4.5kW - 208V 2-1Ph (2 x 11 amps) 15 #8
4.5kW - 208V 1-3Ph (13 amps) 15 #1
4.5kW - 208V 2-3Ph (2 x 7 amps) 15 #2
6.0kW - 240V 1-1Ph (25 amps) 20 #7
6.0kW - 240V 2-1Ph (2 x 13 amps) 20 #8
6.0kW - 240V 1-3Ph (15 amps) 20 #1
6.0kW - 240V 2-3Ph (2 x 8 amps) 20 #2
6.0kW - 480V 1-1Ph (13 amps) 20 #10
6.0kW - 480V 1-3Ph (8 amps) 20 #3
12kW - 480V 1-1Ph (25 amps) 78 #13*
12kW - 480V 1-3Ph (15 amps) 78 #11*
24kW - 480V 2-1Ph (2 x 25 amps) 78 #8
24kW - 480V 1-3Ph (29 amps) 78 #1
24kW - 480V 2-3Ph (2 x 15 amps) 78 #2
PCN 100095 (054-304745-006)
PCN 100386 (054-304745-306)
2.5kW - 120V 1-1Ph (21 amps) 15 #7
2.5kW - 120V 2-1Ph (2 x 11 amps) 15 #8
2.5kW - 208V 1-3Ph (7 amps) 15 #4
2.5kW - 240V 1-1Ph (11 amps) 15 #10
2.5kW - 240V 1-3Ph (7 amps) 15 #3
10kW - 240V 1-1Ph (42 amps) 21 #7
10kW - 240V 2-1Ph (2 x 21 amps) 21 #8
10kW - 240V 1-3Ph (25 amps) 21 #1
10kW - 240V 2-3Ph (2 x 13 amps) 21 #2
10kW - 480V 1-1Ph (21 amps) 21 #10
10kW - 480V 1-3Ph (13 amps) 21 #3
20kW - 480V 1-1Ph (42 amps) 80 #13*
20kW - 480V 1-3Ph (25 amps) 80 #11*
40kW - 480V 2-1Ph (2 x 42 amps) 80 #8
40kW - 480V 2-3Ph (2 x 25 amps) 80 #2